Re: Why do we accept flaky network hardware?
Unfortunately money talks and unshielded twisted pair was cheaper and less hassle for lazy network engineers to install and so became the standard. So the error rate went up and instead of a few cables for a room full of computers you have one cheap cable per computer and network switches with more cables coming out of them than a small telephone exchange and ducting thicker than someones arm.
It's not all bad though. You get full speed to the switch rather share it with every other workstation on the segment. Also one bad NIC/cable don't take the whole segment and everything on it down.